NanoPE (nanoporous polyethylene) is an advanced nanomaterial designed to regulate thermal properties while maintaining breathability and lightweight structure. Its key innovation lies in nanoporous architecture, which allows infrared radiation to pass through while blocking visible light, enabling efficient heat dissipation and cooling. Applications include wearable textiles for personal thermal management, energy-efficient clothing, sportswear, and protective gear. Beyond apparel, NanoPE is used in building materials for passive cooling, packaging that enhances temperature stability, and medical textiles requiring breathable yet thermally adaptive fabrics. Emerging developments integrate NanoPE with smart textiles, sensors, and energy-harvesting systems, expanding its role in IoT-enabled wearables and sustainable design. Market growth is driven by demand for energy savings, comfort-driven apparel innovation, and eco-friendly alternatives to conventional synthetic fabrics.